Human Salmonella Isolates, 2012 No. 3, March

Wednesday 18th September 2019


Summary

The number of isolates (n=110) showed a decrease in comparison with March 2011 (n = 154). Salmonella Infantis (5.2% in March 2011, 11.8% in March 2012) was the predominant serotype. Uncommon Salmonella serotypes confirmed this month included: S. Cubana (3 human isolates confirmed since 1996) and S. Litchfield (5 human isolates since 1996). Salmonella Typhimurium phage type 13 was isolated for the first time in New Zealand; the case had recently travelled to Singapore.

Salmonella Enteritidis phage type 9a/11:
Further typing was performed on isolates previously confirmed as Salmonella Enteritidis phage type 9a. The typing results revealed that isolates previously reported as S. Enteritidis phage type 9a were in fact phage type 11.

Salmonella Typhimurium phage type 23:
An additional 2 cases of S. Typhimurium phage type 23 were confirmed this month in the Auckland region.

Salmonella Saintpaul:
An increase in Salmonella Saintpaul was noticed in the South Island this month. Three isolates of S. Saintpaul were also confirmed from reptile (http://www.surv.esr.cri.nz/enteric_reference/nonhuman_salmonella.php?we_objectID=2970)

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Human Salmonella Isolates, 2012 No. 3, March

 

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Human Salmonella Isolates, 2012 No. 3, March

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